A page object model is a design pattern that abstracts the web elements and actions of each web page into a separate class or object. This can help you improve the modularity, readability, and maintainability of your test scripts, while reducing code duplication and complexity. To implement a page object model, you need to identify the web pages and elements relevant for your test scenarios, using tools such as Selenium IDE or Firebug to inspect and locate the web elements with different strategies (e.g. ID, name, class, XPath, or CSS selector). Then, create a page object class or object for each web page with attributes and methods representing the web elements and actions - annotations such as @FindBy or @FindAll can be used to map the web elements to the page object attributes, while Selenium WebDriver methods (e.g. click, sendKeys, getText) can be used to perform the page object actions. Finally, use these page object classes or objects in your test scripts instead of directly accessing the web elements - constructors, getters, setters or factory methods can be used to create and return the page object instances, while assertions or verifications can be used to validate the page object outcomes.
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